/Engine/Source/Runtime/CoreUObject/Public/UObject/UObjectAnnotation.h
FUObjectAnnotationSparseBoolis a specialization ofFUObjectAnnotationSparsefor bools, slow, temporary, editor only, external or other low priority bools about UObjects.
class FUObjectAnnotationSparseBool : private [FUObjectAnnotationSparse< FBoolAnnotation, true >](API\Runtime\CoreUObject\UObject\FUObjectAnnotationSparse)